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What Is Galvo Laser – Laser Knowledge

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What Is Galvo Laser – Laser Knowledge

A Galvo laser, often referred to as a Galvanometer laser, is a type of laser system that uses galvanometer scanners to control the laser beam's movement and direction. This technology enables precise and rapid laser beam positioning, making it suitable for various applications, including laser marking, engraving, cutting, and more.


The term "Galvo" is derived from "galvanometer," which is an instrument used to measure and detect small electric currents. In the context of laser systems, Galvo scanners are used to reflect and manipulate the laser beam. These scanners consist of two mirrors mounted on galvanometer motors, which can quickly adjust the angle of the mirrors to control the laser beam's position.


Key Characteristics of Galvo Laser Systems Include:

Speed, Precision, and Versatility

Galvo laser systems offer high-speed and precise laser beam positioning, making them ideal for applications where accuracy and efficiency are crucial. They can be used for various materials, including metals, plastics, ceramics, and more. Galvo lasers are widely used for marking, engraving, cutting, and perforating.

Customization, and Non-contact

Galvo laser systems can be customized to meet specific application requirements, such as working area size and laser power. The laser beam does not physically touch the material, reducing wear and tear on the system and allowing for non-contact processes.

Reduced Production Costs, and Wide Range of Applications

The speed and precision of Galvo lasers can lead to increased production efficiency and reduced material waste. Galvo laser technology is applied across various industries, including manufacturing, aerospace, automotive, electronics, medical devices, and more.

Overall, Galvo laser systems are known for their ability to provide high-quality, efficient, and precise laser processing solutions, making them a popular choice for many industrial and commercial applications.


How Does Galvo Laser Work?

Galvo laser systems, also known as Galvanometer laser systems, work by using galvanometer scanners to control the movement and direction of a laser beam. These systems are used for various applications, such as laser marking, engraving, cutting, and perforating.


Here's an overview of how Galvo laser systems work:

1. Laser Source

The system begins with a laser source, often a CO2 or fiber laser. This laser generates a high-intensity beam of coherent light.

2. Laser Beam Emission

The laser beam is emitted from the laser source and directed towards the first galvanometer scanner.

3. Galvanometer Scanners

A Galvo laser system typically has two galvanometer scanners, each with a mounted mirror. These mirrors are mounted on galvanometer motors, which can rapidly adjust the mirror angles.

4. Beam Deflection

The laser beam hits the first mirror, which can quickly reposition to direct the beam in the desired direction. The second mirror further guides the laser beam's path, providing two-dimensional control over the beam's position.

5. Focusing Optics

After the second mirror, the laser beam passes through focusing optics. These optics focus the beam to a precise point on the material's surface.

6. Material Interaction

The focused laser beam interacts with the material's surface, depending on the application.

7. Rapid Scanning

The key advantage of Galvo laser systems is their ability to rapidly scan and position the laser beam, which is essential for high-throughput applications.

8. Computer Control

The entire system is controlled by a computer, which communicates with the galvanometer scanners to direct the laser beam's movement.

9. Cooling and Safety

Galvo laser systems are equipped with cooling mechanisms to manage the heat. Safety features also protect operators from exposure.

10. Exhaust and Waste Management

Depending on the application, there may be exhaust and waste management systems to handle fumes, debris, or other byproducts of laser processing.

In summary, Galvo laser systems utilize galvanometer scanners to rapidly and precisely control the movement of a laser beam. This technology allows for efficient laser processing across a wide range of materials and applications.


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